Backlink Checker
Inspect available link-profile signals, public crawl coverage, domain age and estimated authority. Data coverage depends on the source and target site.
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For example,
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Free tools
0
Signups required
Fair use
Usage limits may apply
4+
Live data sources
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Backlink data
Moz backlink metrics appear only when provider configuration is available; otherwise the tool shows alternative crawl signals.
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Referring domains
See how many unique domains link to any target, plus follow/nofollow breakdown from Moz.
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Public crawl coverage
Common Crawl coverage is a public web-crawl signal, not a count of pages indexed by Google or another search engine.
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Domain age & authority
Registration date via RDAP whois (no rate limits) and an estimated authority score (0-100).